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2021 Porsche 911 GT3 details emerge: 9000rpm redline, 375kW output, no weight gain

International media score a passenger ride in the new GT3, confirming a 9000rpm redline, race-derived suspension and no weight gain.


Official details of the upcoming 2021 Porsche 911 GT3 have surfaced overseas, ahead of the track-focused model's expected unveiling in early 2021.

Porsche has given passenger rides to international publications in a prototype GT3, revealing a number of details and specifications of the new GT-branded 911, including its engine, suspension and aerodynamics package.

Powering the new GT3 will be a version of the previous-generation 911 Speedster's 4.0-litre naturally-aspirated flat-six, updated to meet new, more stringent European emissions regulations.

Power is pegged at a Speedster-matching 375kW, and while an exact figure has yet to be confirmed, a torque rating similar to, or on par with, the Speedster's 470Nm is likely.

A choice of six-speed manual and seven-speed 'PDK' dual-clutch automatic gearboxes will again be offered, with PDK-equipped GT3s exclusively swapping the 'standard' 911 Carrera and Turbo's small gear selector for a taller, more conventional gear lever that's all-but-identical visually to the manual's H-pattern shifter.

Given manual and dual-clutch versions of the outgoing GT3 – which developed 368kW/460Nm from an earlier iteration of the new car's flat-six – completed the 0-100km/h dash in 3.9 and 3.4 seconds respectively, expect the new GT3 to shave one or two tenths off those sprint times.

Crucially, emissions controls haven't stripped the 4.0-litre mill of one of its fan-favourite features: a 9000rpm redline.

Despite the 992-generation 911's larger body, Porsche Motorsport engineers have managed to ensure the new GT3 is no heavier than its 1374kg-tare predecessor, thanks to a range of additions and deletions including no rear seats, reduced sound deadening, polycarbonate quarterpanels, thinner glass, lighter interior materials and a carbon-fibre bonnet.

Headlining the chassis upgrades is set to be a double-wishbone front suspension design, derived from Porsche's 991-generation 911 RSR race car, and the first of its kind to be fitted to a road-legal 911 model. Previous 911 GT3s have employed a simpler MacPherson strut suspension design.

Independent multi-link suspension and rear-wheel steering lifted from the 991.2-generation GT3 carry over to the new model.

The car's aerodynamics package will also see a notable upgrade, with the 992-generation GT3 featuring a 'swan-neck' rear wing, which mounts its supports to the top of the wing, allowing for a smoother, uninterrupted flow of air underneath.

Dual 'bonnet' vents, a wide front air intake, deep front splitter, aggressive rear diffuser and dual centrally-mounted exhaust tips should also feature.

Overseas media reports 25 to 30 per cent stiffer spring rates than the outgoing GT3.

Filling the arches will be centre-locking 20-inch front and 21-inch rear alloy wheels, wrapped in 255/35-profile front and 315/30 rear Michelin Pilot Sport Cup 2 tyres.

Hiding behind the alloys are steel brakes as standard, measuring 408mm up front (up 28mm) and 380mm at the rear. Carbon-ceramic units will likely be offered as an (albeit costly) option.

Inside, highlights are set to include GT3-specific displays for the instruments, carbon-fibre bucket seats, the aforementioned unique PDK shifter, and a dial on the steering wheel to change between a trio of drive modes, simplified from the 'regular' 911's usual five: Normal, Sport and Track.

Both 'bewinged' GT3 and more understated GT3 Touring variants will be offered with the new-generation model, though it's the former that will make its debut first.

The 2021 Porsche 911 GT3 is expected to be officially unveiled in the coming months. Stay tuned to CarAdvice for the full reveal.

Watch Top Gear's Chris Harris video with the Porsche 911 GT3 prototype below, which includes a peek under the covers of the production car.


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Alex Misoyannis

Alex Misoyannis has been writing about cars since 2017, when he started his own website, Redline. He contributed for Drive in 2018, before joining CarAdvice in 2019, becoming a regular contributing journalist within the news team in 2020. Cars have played a central role throughout Alex’s life, from flicking through car magazines at a young age, to growing up around performance vehicles in a car-loving family.

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